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Switch port has high number of disc c3 and c3 timeout

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1,543
Visibility:
Public
Votes:
1
Category:
fabric-interconnect-and-management-switches
Specialty:
MetroCluster
Last Updated:

Applies to

  • Brocade Switch

Issue

  • Lots of disc c3 and c3 timeout are in porterrshow.

porterrshow        :
CURRENT CONTEXT -- 1 , 20
          frames      enc    crc    crc    too    too    bad    enc   disc   link   loss   loss   frjt   fbsy  c3timeout    pcs
       tx     rx      in    err    g_eof  shrt   long   eof     out   c3    fail    sync   sig                  tx    rx     err
  0:    2.1g   1.1g   0      0      0      0      0      0      0      0      0      0      0      0      0      0      0      0   
  1:    4.1g 298.6m   0      0      0      0      0      0      0      0      0      0      0      0      0      0      0      0   
  2:  547.1m 151.6m   0      0      0      0      0      0      0      0      0      0      0      0      0      0      0      0   
  3:  350.2m 135.9m   0      0      0      0      0      0      0    133      1      0      1      0      0    133      0      0   
  4:  737.0m 946.5m   0      0      0      0      0      0      0      0      0      0      0      0      0      0      0      0   
  5:  910.2m 342.5m   0      0      0      0      0      0      0      0      0      0      0      0      0      0      0      0   
  6:  323.4m 965.5m   0      0      0      0      0      0      0      0      0      0      0      0      0      0      0      0  

 

  • sfpshow for the port reporting the errors shows a low power for TX (transmit)
                                           Alarm                  Warn
                                    low         high       low         high
Temperature: 34      Centigrade      -5         85         0           75
Current:     10.492  mAmps           2.500      12.000     2.000       11.500
Voltage:     3308.4  mVolts          3000.0     3600.0     3100.0      3500.0
RX Power:    -2.6    dBm (548.6uW)   31.6   uW  1258.9 uW  31.6   uW   794.3  uW
TX Power:    -7.9    dBm (161.8 uW)  125.9  uW  1258.9 uW  251.2  uW   794.3  uW

 

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